Plastic Machine Screw and Barrel for Plastic Extruder

Specification: Screw Diameter: Ø 15- Ø 300 L/D ratio: 15-46 Product classification: Aiming at different plastic products the screw can be chosen from: General type, pin type, barrier type, separation type, and gas-exhausting type, etc. Base Materials: (1)38CrMoAlA(JIS SACM645) (2)42CrMo(AISI 4140) Bimetallic alloy materials: 1)Fe-based alloy 2)Ni-based alloy/Deloro alloy 3)Tungsten carbide/Wolfram carbide Technics: Heat treatment Nitriding treatment Bimetallic alloy welding Bimetallic alloy centrifugal casting Technical parameter: Nitrided layer depth: 0.5-0.8mm Nitrided hardness: 900-1000HV Nitrided brittleness: Less than grade 1 Surface roughness: Ra0.4 Linearity of screw: 0.015mm Bimetallic layer depth: 3mm Terms and conditions: Production time: 25 days Packing: Export standard wooden case Trade Terms: FOB, CNF, CIF, etc Payment Terms: TT or L/C Warranty and service: 1 year(Life time is much longer) Experienced man…